Tokyo, Japan

Masahiro Yamada

This inventor holds 103 USPTO granted patents and 35 published patent applications and 10 EPO patents, primarily in Information Processing (CPC class 106 22K). Top assignees: Sony Corporation, Kabushiki Kaisha Toshiba, Mitsubishi Heavy Industries Limited. Active years: 1990-2026.

USPTO Granted Patents = 103 

% Patents Active = 62.1

 

Average Co-Inventor Count = 2.4

ph-index = 12

Forward Citations = 530(Granted Patents)

Forward Citations (Not Self Cited) = 513(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Miyagi, JP (1990 - 1993)
  • Kanagawa-ken, JP (2000 - 2003)
  • Gunma-ken, JP (2007)
  • Hiroshima, JP (2008)
  • Nishitama-gun, JP (2008 - 2012)
  • Hyogo, JP (2012)
  • Kanagawa, JP (1993 - 2021)
  • Saitama, JP (2021)
  • Tokyo, JP (1991 - 2023)

Company Filing History:

goldMedal31 out of 58,145 
 
Sony Corporation
 patents
silverMedal18 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal11 out of 4,741 
 
Mitsubishi Heavy Industries Limited
 patents
4. 6 out of 2,422 
 
Mitsubishi Chemical Corporation
 patents
5. 5 out of 2,256 
 
Japan Aviation Electronics Industry, Limited
 patents
6. 5 out of 36,676 
 
Nec Corporation
 patents
7. 3 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
8. 3 out of 108 
 
Honda Tsushin Kogyo Co., Ltd.
 patents
9. 3 out of 115 
 
Mitsubishi Heavy Industries Engineering, Ltd.
 patents
10. 3 out of 28,934 
 
Ricoh Company, Ltd.
 patents
11. 2 out of 7 
 
Asahi Research Corporation
 patents
12. 2 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
13. 2 out of 2,396 
 
Fujifilm Business Innovation Corp.
 patents
14. 2 out of 127 
 
Mitsubishi Heavy Industries Machinery Systems, Ltd.
 patents
15. 2 out of 499 
 
Mitsubishi Kasei Corporation
 patents
16. 2 out of 7 
 
Mitsubishi Logisnext Co., Ltd.
 patents
17. 1 out of 292 
 
Caterpillar Sarl
 patents
18. 1 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
19. 1 out of 1 
 
Leading Dragon Trading Limited
 patent
20. 1 out of 304 
 
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
 patents
21. 1 out of 51 
 
Mitsubishi Logisnext Co. Ltd.
 patents
22. 1 out of 1 
 
Racine Co., Ltd.
 patent
23. 1 out of 3 
 
Tmt & D Corporation
 patents
24. 1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2026

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Areas of Expertise:
Information Processing
Vehicle Control
Stereoscopic Imaging
Gas Turbine Repair
Traffic Control
Abrasion Inspection
Lead Frame Manufacturing
Positional Error Prediction
Casting Mold Gas Suction
Software Testing
Internal Combustion Engine
Imaging Device
103 patents (USPTO):Explore Patents

Title: Masahiro Yamada: Innovating the Future through Patents

Introduction:

In the realm of innovation and patents, Masahiro Yamada stands as a prominent figure in Tokyo, Japan. With an impressive portfolio of 92 patents, Yamada has contributed significantly to the field of positional error prediction and shut-off valve technology. This article delves into his latest patents, career highlights, collaborations, and the impact of his contributions.

Latest Patents:

Yamada's recent patents demonstrate his expertise in positional error prediction and shut-off valve technology. His notable inventions include the Positional Error Prediction Device, Prediction Model Generation Device, Positional Error Prediction Method, Prediction Model Generation Method, and Program. This device accurately predicts positional errors by utilizing satellite position acquisition, relative relationship value acquisition, and error prediction algorithms.

Furthermore, Yamada has introduced a revolutionary Cap Member for Shut-off Valve, Valve Element for Shut-off Valve, Method for Manufacturing Shut-off Valve, and Method for Replacing Valve Element of Shut-off Valve. The cap member design incorporates innovative features such as engaging portions for screwing and unscrewing, along with a wall portion that provides a visually appealing and functional solution.

Career Highlights:

During his career, Masahiro Yamada has made noteworthy contributions to renowned companies. Notably, he worked at Sony Corporation, a global leader in consumer electronics and technological innovation. At Sony, his inventive skills and dedication enriched the company's patent portfolio and strengthened its products.

Additionally, Yamada collaborated with Kabushiki Kaisha Toshiba, commonly known as Toshiba Corporation. Toshiba has a long-standing reputation for its excellence in engineering and cutting-edge technologies. Through his collaborations, Yamada contributed to Toshiba's innovations in various fields, further establishing his expertise and influence.

Collaborations:

Collaboration is often a catalyst for groundbreaking innovation, and Yamada leveraged the power of teamwork in his career. Notable collaborations include working alongside Tetsu Watanabe and Sunao Aoki, esteemed professionals who shared Yamada's passion for technological advancements.

These collaborations served as fertile grounds for exchanging ideas, pushing boundaries, and ultimately delivering innovative solutions. Together, they drove progress and brought novel concepts to life, making a significant impact in the industry.

Conclusion:

Masahiro Yamada's impressive repertoire of 92 patents showcases his expertise and dedication to advancing technology. His contributions in positional error prediction and shut-off valve technologies have undoubtedly pushed the boundaries of innovation. Through his collaborations with prestigious companies like Sony Corporation and Toshiba Corporation, Yamada has contributed to the advancements of these organizations and the industry as a whole.

As the future unfolds, Masahiro Yamada's inventive spirit will continue to shape the landscape of innovations and patents, inspiring fellow inventors and leaving an indelible mark on the world.

Profile summary based on public USPTO records.
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